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[China]
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Address: Hengjiao Industry Zone, Hengjiao Village, Shijie Town, Dongguan, Guangdong, China
Contact name:Hafrey
Dongguan Yexin Intelligent Technology Co., Ltd. |
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CNC machining, standing for Computer Numerical Control machining, is a subtractive manufacturing
process utilized to fabricate parts by selectively removing material from a workpiece or workpiece
stock.
Precise control over the machine's movements is achieved through preprogrammed software and
codes. The scope of CNC machining encompasses various machinery types, including turning mills,
lathes, grinders, and plasma-cutting machines.
Product Details
We have the capability to work with a wide variety of materials in CNC machining, such as carbon
alloys, aluminum, brass, stainless steel, high nickel alloys, and engineered plastics.
Our team is dedicated to guiding you in choosing the most suitable material for your particular
application. Even if you are contemplating materials outside our standard list, we are well-equipped
to provide assistance and expertise for the best outcomes.
| Common Materials | |
| Name | Description |
| Aluminum | High machinability and ductility, good strength-to-weight ratio. |
| Stainless steel | High tensile strength, corrosion and temperature resistant. |
| Mild steel | High machinability and weldability, high stiffness. |
| Brass | Low friction, excellent electrical conductivity, golden appearance. |
| Copper | Excellent thermal and electrical conductivity. |
| Titanium | Excellent strength to weight ratio, used in aerospace, automotive and medical industries. |
| ABS | Common thermoplastic, impact resistant, easy to machine. |
| Nylon | Excellent mechanical properties, thermal, chemical and abrasion resistant. |
| POM | High stiffness, high accuracy, low friction, easy to machine. |
Post-processing and surface finishes for CNC machining
CNC-machined parts as they emerge from the machine often exhibit visible tool marks, a feature
that may not align with your specific part requirements.
Fortunately, there exists a multitude of post-processing techniques aimed at enhancing the surface
appearance and elevating attributes such as wear resistance, corrosion resistance, and chemical
resistance.
Methods like anodizing, bead blasting, and powder coating present viable options for refining the
final presentation of your custom parts, allowing you to achieve the desired surface quality and
performance characteristics.
| Surface Finishes | ||
| Name | Applicable to | Machining marks |
| As machined | Metals, Plastics | Visible, light surface scratches |
| Smooth machining | ||
| Fine machining | Metals | Slightly visible |
| Polishing | Metals | Removed on primary surfaces |
| Bead blasting | Metals | Removed for non-cosmetic, removed on primary surfaces for cosmetic |
| Brushing | Metals | |
| Anodizing Type II | Aluminum | |
| Anodizing Type III | Aluminum | Visible under anodizing |
| Black oxide | Copper, Stainless steel, Alloy steel, Tool steel, Mild steel | Visible |
| Powder coating | Metals | Removed |
| Brushed + electropolishing | Stainless steel | Removed on Primary surfaces |
Specialist Industries
CNC machinery finds widespread application across a spectrum of industries, notably in aerospace,
automotive parts manufacturing, medical machine manufacturing, transportation, defense, marine,
oil and gas, and electronics.
The precision and efficiency offered by CNC machining have revolutionized these sectors, enabling
them to streamline the mass production of custom CNC parts.
From crafting intricate components in aerospace to precision parts in medical devices, CNC
machinery serves as a cornerstone in enhancing efficiency and accuracy in manufacturing processes.
Company Profile
FAQ's
1. What are the minimum and maximum dimensions you can machine?
Our CNC machining services cover a range of processes, including milling (3-axis, 3+2-axis,
and 5-axis) and turning. In 3/3+2-axis CNC milling, we can machine parts with dimensions up to
2000 x 1500 x 200 mm (78.7 x 59.0 x 7.8 in.).
For 5-axis milling, the maximum part size is 650 x 650 x 300 mm (25.5 x 25.5 x 11.8 in.).
CNC turning allows for a maximum diameter of 431 mm (17 in.) and a length of 990 mm (39 in.).
When considering smaller parts, we recommend a minimum size of around 10 x 10 x 10 mm
(0.39 x 0.39 x 0.39 in.), with feature dimensions not going below 0.5 mm.
It's important to note that our
platform has a maximum part size limitation of 1000 mm (39 in.). For larger requirements, please
reach out to our sales team for personalized assistance.
2. How much does CNC machining cost?
The cost of CNC machining hinges on factors such as complexity, quantity, and lead time.
For an accurate cost estimate, we recommend submitting a 3D CAD model to receive an interactive
quote along with design for manufacturability (DFM) feedback.
Thanks to our proprietary software and automated fixturing processes, upfront non-recurring
engineering (NRE) costs are eliminated. This makes CNC machining economically viable for quantities
ranging from 1 to 200 parts. While prices may align or slightly exceed those of 3D printing,
CNC machining offers superior material properties and surface finishes.
3. What's the general surface texture of CNC milled and turned parts?
In the realm of CNC machining, milled parts typically display a surface roughness of approximately
3.2μm (or 1.6μm for newer machines). In contrast, turned parts exhibit a finer surface texture with
a roughness of 0.8μm. Importantly, this finer surface finish in turning is achieved without the need
for adjusting machining speeds.
